7458740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2683}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 15781920

約数和(自身を除く): 8323180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2683, 2780, 5366, 10732, 13415, 26830, 53660, 372937, 745874, 1491748, 1864685, 3729370, 7458740]

約数ペア:

[(1, 7458740), (2, 3729370), (4, 1864685), (5, 1491748), (10, 745874), (20, 372937), (139, 53660), (278, 26830), (556, 13415), (695, 10732), (1390, 5366), (2683, 2780)]